diff options
Diffstat (limited to 'crypto/asn1/asn1_par.c')
-rw-r--r-- | crypto/asn1/asn1_par.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/crypto/asn1/asn1_par.c b/crypto/asn1/asn1_par.c index 9a370cd4bc..09dde15613 100644 --- a/crypto/asn1/asn1_par.c +++ b/crypto/asn1/asn1_par.c @@ -62,6 +62,10 @@ #include <openssl/objects.h> #include <openssl/asn1.h> +#ifndef ASN1_PARSE_MAXDEPTH +#define ASN1_PARSE_MAXDEPTH 128 +#endif + static int asn1_print_info(BIO *bp, int tag, int xclass, int constructed, int indent); static int asn1_parse2(BIO *bp, const unsigned char **pp, long length, @@ -123,6 +127,11 @@ static int asn1_parse2(BIO *bp, const unsigned char **pp, long length, /* ASN1_BMPSTRING *bmp=NULL; */ int dump_indent; + if (depth > ASN1_PARSE_MAXDEPTH) { + BIO_puts(bp, "BAD RECURSION DEPTH\n"); + goto end; + } + dump_indent = 6; /* Because we know BIO_dump_indent() */ p = *pp; tot = p + length; |